My dentist asked me to go from invisalign tray 9 to 12. Is this safe?

I agree with Dr. Broome. You can have our dentist re-order aligners at a minimal charge. Sharde Harvey.

Very good question.  Unfortunately, it is a loaded question.  What I mean by that is there are many different answers.  1,  You can do anything you wish.  We are not forcing you to complete the treatment. If you are happy then...2,  I would advise you to...

If extrusion (downward movement) of your laterals was planned the gap between the aligner and your teeth may indicate the teeth are not "tracking" as planned. In some cases space can be planned into aligner stages to allow room for the tooth to move down into that new position. It is possible to...

2 weeks per aligner is the standard treatment time per aligner. On a few occasions we have actually asked patients to wear each aligner 3 weeks but never less than 2 weeks.  We recommended that aligners are worn 22-23 hours per day and are only removed to eat, brush, and floss. If a patient...

In general patients with severe crowding or "crooked teeth" are best served with orthodontic treatment first. This allows the teeth to be positioned correctly as well as optimization of the bite (how your teeth fit together and function).  Based on what I see in your photo I would strongly...

Teeth can be intruded or extruded. In this case, extruding the upper front teeth, which are quite hidden, would show more of these teeth. Intruding the lower front teeth can also be done but intruding the whole lower teeth is a little bit more difficult because if all the teeth are on the same...